The old worn out $RBCs$ are filtered out by
The term ’active immunity' means
Choose the true statements
$I.$ Innate immunity is accomplished by providing different types of barriers
$II.$ Acquired immunity is present from the birth and is inherited from parents
$III.$ Sweat, tears, acid in the stomach and saliva prevent microbial growth
Passive immunity can be obtained by injecting
Assertion : Organ transplantation patients are given immunosuppressive drugs.
Reason : Transplanted tissue has antigens which stimulate the specific immune response of the recipient.